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-rw-r--r--drivers/usb/serial/ipaq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 6a3a704..c1a6484 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -646,11 +646,13 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
kfree(port->bulk_out_buffer);
port->bulk_in_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
if (port->bulk_in_buffer == NULL) {
+ port->bulk_out_buffer = NULL; /* prevent double free */
goto enomem;
}
port->bulk_out_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
if (port->bulk_out_buffer == NULL) {
kfree(port->bulk_in_buffer);
+ port->bulk_in_buffer = NULL;
goto enomem;
}
port->read_urb->transfer_buffer = port->bulk_in_buffer;